Product Name: Sodium permanganate Use level: Industrial Content: 40 (%) CAS Number: 10101-50-5 Molecular formula:NaMnO4 Molecular Weight: 141.93 Appearance: purple liquid. A density of 1.36 ~ 1.39 g / cm3, soluble in water, ethanol and ether, soluble in liquid ammonia. Decomposition in alkali. Strong oxidizing. And chemical properties similar to potassium permanganate. Purposes: as oxidants, disinfectants, fungicides and phosphorous antidotes. Toluene is also used to manufacture saccharin, o-toluene sulfonamide and organic synthesis and purification of phenol wastewater treatment. Can be used for circuit boards, metal surface cleaning, the conductive film cleaning to remove grease, electrolytic manganese dioxide, chemical fiber finishing, electroplating addition to hydrogen sulfide and other odors, as well as water treatment and so on. Packaging and storage: Industrial Pails barrel, net weight 25kg plastic drum, 250kg steel-plastic composite barrels, 1250kg IBC barrels packaging. Store in a cool dry place. Quality Standard: Â Items index Sodium permanganate (NaMnO4) Content / (%) 40 Water-insoluble content / (%) 0.01 Potassium (K) content / (%) 0.22 pH value 6 ?8 Density / (g/cm3) 1.36 1.39 Chloride (Cl) content / (%) 0.02
Commodity: Potassium Permanganate Molecular formula:KMnO4 Molecule Weight:158.03 CAS:7722-64-7 EINECS:231-760-3 UN 1490 Hazard Class: 5.1 Physical State: Needle-like lustrous and dark purple crystal. It can dissolve in water, and it is a strong oxidant. Melting Point :270 C ,decompound Specific Gravity :2.703 ,Solubility in water :6.4 g/100 mL (20C) ,Stability :Stable under ordinary conditions Use Mainly used in medical industry, water treatment, metallurgical industry, chemical industry and food industry. Quality Standard Item Standard BP2000 Appearance purple noodle crystal Purity 99.3% min Chloride 0.01% max Sulfate 0.05% max Insoluble matter in water 0.15% max Moisture 0.5% max As 20 ppm max Cd 50 ppm max Cr 50 ppm max Hg 10 ppm max Pb 50 ppm max Se 50 ppm max Ni 50 ppm max Sb 50 ppm max Packing and Storage Packing: 50kg net weight new galvanized drums with P.E. Liner. Stored in a cool, ventilated, dry place.
Commodity: Ammonium bicarbonate Food grade Molecular formula:NH4HCO3 Molecule Weight: 79.05 H.S code: 2836994000 CAS: 1066-33-7 Product Physical Properties WHITE POWDER CRYSTAL, SPECIFIC GRAVITY IS 1.586, IT CANDISSOLVE IN WATER, BUT CANT DISSOLVE IN ALCOHOL AND ACETINE. Specifications: Appearance: white free-flowing crystalline powder without agglomeration Purity as Ammonium Bicarbonate ,% by weight 99.5 (minimum) Chloride (as Cl), % by weight 0.20(maximum) Sulphates (as SO4),% by weight 0.10(maximum) Iron (as Fe), % by weight 0.004(maximum) Nonvolatile matter, % by weight 0.10(maximum) Heavy metals (as Pb), ppm 2.50(maximum) Copper (as Cu), ppm 5.0(maximum) Arsenic (as As), ppm 0.6(maximum) Tarry matter To pass test Oil Content Less than 10 ppm Melamine Content NIL USAGE BAKING FOODS SUCH AS CRISP CAKE, BISCUIT ETC. IN ADDITION, ITALSO WIDELY USED IN CHEMICAL FIELD SUCH AS FLOUR BRIGHTENING AGENT,RARE EARTH DEEP PROCESSING, MEDICINE MIDBODY, PLASTICS PROCESSING,ELECTRONIC ELEMENT ETC. PACKING OUTSIDE IS WEAVE BAG OR PAPER BAG, INSIDE IS FOOD PLASTICSBAG, 25KG/BAG. THE PACKING ALSO CAN ACCORDING TO CONSUMERS REQUEST. STORAGE Stored in a cool, ventilated, dry place.
Commodity: Ammonium nitrate porous prills Molecular formula: NH4NO3 Molecule Weight: 80 CAS: 6484-52-2 UN:1942 Hazardous class:5.1 Commodity: Ammonium nitrate porous prills 1.Production of granular porous ammonium nitrate for industrial use and agricultural granular ammonium nitrate. Products with low moisture content, not easy to cake; high compressive strength, not easy to break; high oil absorption rate. Ammonium nitrate content is more than 99%, the appearance is white granular crystals, no impurities visible to the naked eye. 2. Purpose: Explosive material: granular ammonium oil explosive is made by mixing porous ammonium nitrate with raw oil. Its speed can reach more than 3 200 m/s. This explosive has strong explosive power, safe and reliable use, low price, cost saving, and can usually reduce the cost by 20%-40%. At present, this kind of explosive has been widely used in mining, construction, railway and highway construction, agricultural and water conservancy construction and national defense and other fields. 3. Product specifications: Specifications: Appearance white granule Particle size 0.5-2.5mm NH4NO3 >99.5% N >34% Oil absorption > 8% Moisture < 0.2% PH >4
Product Brief Introduction: with the largest consumption for construction and building materials. It is mainly used as enamel fluxing agent, glass opalizing agent, acid-proof clay, acid-proof concrete coagulator and wood preservative. It can also be used for insecticide. Product Hazard or Harmful Ingredients:It does not combust or explode but has corrosivity and certain toxicity. Product Physical Properties:The product is white powder crystals and basically neutral. It is difficult to dissolve in water and acid and the density is 2.37g/cm3. Product Chemical Properties:It is stable under normal temperature. It does not combust nor explode when it is heated or contacts with redox materials. Spillage Treatment Method:Simple cleaning and burying Protection Measures for Product Transport & Storage:To prevent from caking and going bad, it should be kept indoor or be covered with protection materials like canvas and free from the blazing sun. Packing :Knitted bags lined polyethylene plastic bags double packaging, Weighing 25Kg/50KG/1000Kg/1200kg. Other Information: Anti-caking agent can be added at the request of customers. Technical Specifications Analysis items Standard Na2SiF6 99% min Loss of weight on drying at 105â?? 0.3% max Free acid (as HCl) 0.1% max Chloride (as Cl) 0.1% max Sulphate (SO4) 0.3% max Iron(Fe) 0.02% max Water-insoluble matter 0.5% max Particle size distribution Passing through 40 mesh sieve 98% min Passing through 60 mesh sieve 90% min Passing through 325 mesh sieve 25% max
Commodity : Potassium sorbate Molecular formula : C6H7KO2 Molecule Weight : 15022 HS code : 29161900 CAS : 24634615� Specifications appearance : White crystal granule Production Standard : FCCIV Content : 9801010 K2CO3 : 1 max Loss on drying : 1 max Chloride : 001 max Heavy metalsas : Pb 0001 max Packing in carton 25kgs net weight Quantity 14MT loaded into 1 x 20GP Excellent preservative properitesproperites Sorbic Acid Potassium Sorbate can restrain effectively the activity of mould yeast and aerophile bateria Restrain growth and reproduction of the pernicious micro organism as pseudomonas staphylococcus salmonella action to restrain growth is more powerful than killing Meanwhile it can not restrain useful microoranganim growth ad Anaerobicbearing barilli acidophil therefore to lengthen food store peroid and remain food original flavor The preservative efficiency of sorbic acid Potassium sorbate is 510 times sodium benzoate High safety Sorbic Acid Potassium Sorbate is one kind of nonsuturated fatty acid compounds It can be absorbed by human body rapidly then decomposed into CO2 and H2Omoreover no remaining in body ADI 025mgkg based on sorbic acid FAOWHO 1994 LD50 4920 mgkglarge mouse by mouth GRASFDA 1823640 1994 Its toxicity only 112 times table salts and 140 times sodium benzoate Good stability Sorbic Acid Potassium Sorbate is stable in sealed staus will not be decomposed until 270C It will be oxidized into colored ones and absorbing moisture in case exposed in air for a long time Wide application At the momentSorbic Acid Potassium Sorbate has been used extensively in food drinkvegetables in soy tabacco drugs cosmetics agricultural products forage and other domain Its applicaion should be wide and wide in the world As acidic preservative Sorbic Acid Potassium Sorbate is also used well in neutral foodph6065 The preservative efficiency of sodium benzoate will decrease clearly and have a bed taste while ph4 Applicaion flexibilitySorbic Acid Potassium Sorbate can be used by direct adding sprayingretting dry spraying using in packing material and other method
Product Name: Ferrous Sulphate Heptahydrate Molecular Formula: FeSO4. 7H2O CAS No.: 7782-63-0 Mol Weight: 278.05 Usage and Dosage: 1. Industrially: ferrous sulphate heptahydrate is mainly used as a precursor to other iron compounds. It is a reducing agent, for the reduction of chromate in cement. 2. Nutritional Supplement: Together with other iron compounds, ferrous sulphate is used to fortify foods and treat iron-deficiency anemia. Constipation is a frequent and uncomfortable side effect associated with the administration of oral supplements. Stool softeners often are prescribed to prevent constipation. 3. Colorant: Ferrous sulphate can also be used to stain concete and some limestones and sandstones a yellowish rust color. 4. Water Treatment: Ferrous sulphate has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies. Storage: Storage Store in cool, dry, well ventilated area, removed from oxidising agents (eg. hypochlorites), acids, metals and foodstuffs. Ensure containers are adequately labelled, protected from physical damage and sealed when not in use. Large storage areas should have appropriate ventilation systems. Precaution: Flammability Non flammable. No fire or explosion hazard exists. Packing: Net weight 25kgs, 50kgs per each plastic woven bag Technical Specification Appearance: Light green crystalline powder Fe 19.7%min Pb 20 ppm max As2 ppm max Cd 5 ppm max Size Crystalline Powder
Commodity: Sodium Hydrosulfite Other name: Synonyms: Sodium Hydrosulphite; Sodium Dithionite; Dithionous acid, Disodium salt; Sodium Sulfoxylate CAS No.: 7775-14-6 Molecular Weight: 174.10 Chemical Formula: Na2S2O4 Product Description Appearance: White, crystalline powder. Product Feature Odor: Slight irritative. Specific Gravity: Unavailable Solubility: Soluble in water. Density: 2.19 pH: 6-7 pH Test-Method: PH test paper. % Volatiles by volume @ 21C (70F): 0 Boiling Point: Not applicable. Melting Point: >300 C Decomposes. Vapor Pressure (mm Hg): No information found. Bulk Density: ~0.9 Evaporation Rate (BuAc=1): No information found. Application 1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching . 2. bleaching paper pulps , especially mechanical pulps, its the most fittable bleaching agent in pulps. 3. bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products, 4. in mineral, the compound of thiourea and other sulphides. 5. as reducing agent in chemical industry. 6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms. Packaging 50kg/100kg net in iron drums with double PVC bags Product Specification/Models NDEX 90%, 88%, 85%. FOOD ADDITIVE Na2S2O4, 90%, 88%, 85%, Fe 20ppm ZincZnOther heavy metal calculated as Pb, 1ppm Water Insolubles05% Shelf Life(month)12
Product Description Categories Sweeteners Qty in 20 FCL 9000kg, 11250kg Min Order 500kg Origin China Packaging Factory Packaging or Neutral Certificate ISO, Kosher, Halal, BRC E No. E951 CAS No. 22839-47-0 HS Code 292429 Specification FCC/USP Aspartame is an artificial sweetener, like Acesulfame Potassium, Sucralose, Sodium Saccharin, Sodium Cyclamate and Neotame. It is widely in daily food products to replace sugar. There are too many types of Aspartame in the market, generally are powder 100mesh, Granular 20-60mesh, Fine Granular 60-100mesh, HDP 100-200mesh and Super Fine Powder 300mesh. Weâ??re China Aspartame supplier not only sell Aspartame but also provide manufacturers analysis, market price trends, free samples and also other food additives for mix combined. Aspartame Powder 100mesh Specification Test Item Specification Appearance White Powder Odor/Taste Conforms to Quality Standards Identification Meets Requirements Assay (on dry basis) 98.0% to 102% Loss on Drying 4.5% Residue on Ignition / Sulphated Ash < 0.2% Optical (Specific) Rotation +14.5 and +16.5 Conductivity 30 Scm-1 Transmittance 95% Extraneous Matter Free from material foreign to product pH (0.8% Solution) 4.5 ~6.0 Heavy Metal (as Pb) 10 ppm Lead < 1 ppm Arsenic < 3 ppm Residual Solvents Meets Requirements 5-benzyl-3,6-dioxo-2 Piperazineacetic Acid (DKP) 1.5% Other Related Substances 2.0% USP/NF; 1.5% EP L-phenylalanine 0.5% Solubility Completely Dissolves Particle Size NMT 5% on 100 mesh Bulk Density 0.3 +/- 0.1 g/mL Total Aerobic Plate Count 250 CFU/g Yeast and Mold Count 100 CFU/g Coliforms 3.0 MPN/g Escherichia Coli Negative/g Salmonella Negative/25g
Used to make early strengthen agent (concrete strengthening agent and coating material coagulating agent etc) in construction industry. Used as a snow thawing agent for snow thawing work on roads, parking lots, and airports etc. Used in oil well drilling, used as well drilling fluid, completion fluid, well cementation fluid, and workover fluid, and it is also used as dehydrate in petroleum chemical industry. Item Index Appearance gray white or white granule,powder and pellet Purity(CaCl2) % â?¥ 94.0 Alkali metals chloride (NaCl) % â?¤ 5 Alkalinity( Ca(OH)2 % ) % â?¤ 0.2 Sulphates (CaSO4) % â?¤ 0.05 Water Insoluble matter % â?¤ 0.15 PH 7.5-11
GENERAL TECHNICAL SPECIFICATION SOYBEAN OIL Specific gravity: 0.916-0.922 Refractive index: 1.465-1.475 Heavy metals, Method: 0.001% max Iodine value: 120 â?? 141 Saponification Value: mg HOH/g: 180 â?? 200 Unsaponifiable Matter: %
Specification: Free Fatty Acids (% As Palmitic) : 5.0% Max. Moisture And Impurities (AOCS Ca 2c-25) : 0.1-0.25% Max. IODINE VALUE (Wijis) (AOCS Cd 1-25) : 50-55 Min. SLIP MELTING POINT (AOCS Cc3-25) : 33-39 C Max. COLOUR (Lovibond 5.25 cell) : 3.5R/3.5Y Max. DOBI : 2.31 Min Purity and freshness are the highlights of Crude Palm Oil, which we make available. This Crude Palm Oil is processed hygienically as per the set rules and regulations. We are rated as a dependable Manufacturer and Exporter of Crude Palm Oil. Packing Size: 1) PET Bottle 0.25L, 0.50L, 1L, 2L, 3L, 5L 2) HDPE Jerry Can 1L, 2L, 3L, 5L, 8L, 10L, 16L, 18L, 20L, 25L 3) Big Mouth HDPE Jerry Can 10L, 16L, 18L 4) Tin Can 16L, 18L, 20L 5) Steel Drum 190kgs 6) Plastic Drum 190kgs 7) Bag In Box 20L 8) Flexi Tank 21MT Quality:CP6, CP8, CP10
Textured Soy Protein, Cas no.9010-10-0, also known as textured vegetable protein, made from high quality NON-GMO China-originated soybean, available as yellow or milk white powder. Textured Soy Protein used in the processing of fast-frozen foods and meat products to increase protein content, improve texture, and retain fat. It provides good water absorption, excellent oil holding, and good fiber structure. As an experienced Textured Soy Protein manufacturer and supplier, we has been supplying and exporting feed and food grade Textured Soy Protein 50%, 70%, 90% for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Textured Soy Protein Specification ITEMS STANDARD Crude protein (dry basis N*6.25) % 50,70,90 Weight(g/l) 150-450 Hydration% 260-350 Moisture % 10 Crude Fiber % 3.5 PH 6.0- 7.5 Calcium % 0.02 Sodium % 1.35 Phosphorus % 0.7 Potassium 0.1 Total plate count(cfu/g) 3500 E-coli Negative Crude protein (dry basis N*6.25) % 50
Isolated Soy Protein, CAS no.9010-10-0, is manufactured from high quality Non-GMO soybean, available as yellow or milk white powder. It has excellent dispersibility, a high viscosity. Isolated Soy Protein is used in high protein beverages, infant formulas, cereals, nutritional bars, meat products, low-temperature barbeque products, reformed cheese, sausages, fish food, and frozen food. As an experienced Isolated Soy Protein manufacturer and supplier, we has been supplying and exporting Isolated Soy Protein for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Isolated Soy Protein Specification SOY PROTEIN ISOALTE (Emulsion Type) is our new special designed soy protein isolate with higher viscosity and stronger emulsification, it can help meat processors to achieve higher emulsification requested and higher water binding to reduce the cooking loss and prevent fat loss and improve the structure of final products in a cost effective way. Physical Characteristics Protein(in dry basis N 6.25 mfb) 90% min Moisture 7% max Ash 6% max Crude fiber 0.5% max Fat 0.5%max PH 7.3 ± 0.5 Colour light Flavour neutral Typical Bacteriological Analysis Standard plate count 20,000/g max Coliforms 100/g max E Coli (in 0.1g) negative Yeast and mould 100/g max Salmonella (in 25g) negative Particle Distribution (Typical Analysis)99% through 100# U.S. standard screenHeavy Metal Analysis lead 1.0 mg/kg max Arsenic 0.5 mg/kg max Packing: 20kg net weight, paper/plastic bag poly-lined.Storage: below 75â?? and 60% relative humidity promotes longer shelf life.Certificate: BRC, HACCP, ISO9000, ISO22000, IP, Kosher & Halal certificatedShelf life: one year.
Vital Wheat Gluten, CAS no.8002-80-0, food protein, extracted from wheat flour, available as Pale yellow powder. Non-GMO Vital Wheat Gluten is a meat-like, vegetarian food product, used as a meat substitute in many cultures.Vital Wheat Gluten often used to imitate the flavor and texture of duck, poultry, pork, beef, and seafood. It is a natural vegetable protein with a 75% crude protein content procured from wheat, which has had its starch removed. As an experienced Vital Wheat Gluten manufacturer and supplier, we has been supplying and exporting Vital Wheat Gluten for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Vital Wheat Gluten Specification ITEM STANDARD PROTEIN (N5.7 ON DRY BASIS) 75%MIN MOISTURE 9%MAX ASH 1%MAX GRANULATE SIZE (% 198MICRON) 95%MIN WATER ABSORPTION (ON DRY BASIS) 150%MIN
Calcium Caseinate, CAS no.9005-43-0, is a protein produced from casein in skim and sometimes 1% milk, and functions as a calcium and protein supplement. Calcium Caseinate supplies the necessary amino acids for human bodies and reinforces the absorption of calcium inside human bodies. It uses as thickening, emulsification and formability properties, and used in nutrition beverages, cheese, bread and baked goods. It is a protein that can also be used as dietary supplement for bodybuilders and other athletes. As an experienced Calcium Caseinate manufacturer and supplier, we has been supplying and exporting Calcium Caseinate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Calcium Caseinate Specification APPEARANCE CREAM WHITE POWDER PROTEIN (DRY BASIS) 90.00% MOISTURE 5.5% PH 6.3- 7.0 ASH 6.00% FAT 1.5% TOTAL PLATE COUNT 20000G Calcium 1.00 PATHOGENIC BACTERIA NEGATIVE YEAST/MOULD 50/G MAX
Cocoa Powder CAS No.83-67-0, is a powder of cocoa beans manufactured through fermentation, available as Fine, free flowing brown powder used as food supplements to improve flavoring. Cocoa powder is also available in Alkalized form as Alkalized Cocoa powder. As an experienced Cocoa Powder manufacturer and supplier, we has been supplying and exporting Cocoa Powder for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Cocoa Powder Specification Natural Cocoa Powder 10%-12% ITEM STANDARD Appearance Fine, free flowing brown powder Colour of powder Brown to dark brown Flavour Characteristic cocoa flavour Fat content (%) 10 12 Moisture (%) 5 Ash (%) 8 Fineness through 200 mesh (%) > 99 pH 5.2 5.8 Total plate count (cfu/g) 5000 Mould count (cfu/g) 100 Yeast count (cfu/g) 50 Coliforms Not detected Shigella Not detected Pathogenic bacteria Not detected
Choline Chloride, CAS no.67-48-1, dry powder manufacturing process by absorbing chloride liquid on a selected carrier ( Cereal carrier, such as corn cob meal, synthetic carrier, such as silica), and then drying to a lower moisture content. Choline Chloride is an important additive in feed especially for chickens where it accelerates growth, commonly used as a choline supplement in functional food applications. As an experienced Choline Chloride manufacturer and supplier, we has been supplying and exporting Choline Chloride for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Choline Chloride Specification Choline Chloride 50% Corn CobCholine chloride content: 50% min Loss on drying: 2% max TMA: 300PPM max Particle size (20 mesh): 95% min passesCholine Chloride 60% Corn Cob Choline chloride content: 60% min Loss on drying: 2% max TMA: 300PPM max Particle size (20 mesh): 95% min passesCholine Chloride 70% Corn CobCholine chloride content: 70% min Loss on drying: 2% max TMA: 300PPM max Particle size (20 mesh): 95% min passesCHOLINE CHLORIDE 50% SILICA Choline chloride content: 50% min Loss on drying: 16-19% TMA: 300PPM max Particle size (60 mesh): 95% min passesCHOLINE CHLORIDE 60% SILICACholine chloride content: 60% min Loss on drying: 17-20% TMA: 300PPM max Particle size (60 mesh): 95% min passes CHOLINE CHLORIDE 75% LIQUIDCholine chloride content: 75% min PH: 6.5-8 Ethylene glycol: 0.50% max Trimethylamine (TMA): 300 PPM max Ash: 0.20% max Heavy metal: 0.002% max
Magnesium chloride is a chloride chemical formula MgCl2 colorless and easily deliquescent crystal soluble in water Magnesium chloride hydrate can be extracted from brine or seawater usually with 6 molecules of crystal water but it loses crystal water when heated to 95C begins to decompose when it is above 135C and releases hydrogen chloride HCl gas Product Parameters TEST ITEMS TEST STANDARD MAGNESIUM CHLORIDE ANHYDROUS MAGNESIUM CHLORIDE HEXAHYDRATE MAGNESIUM CHLORIDEAs MgCl2 990 460 CALCIUM As Ca2 0002 015 SULFATE As SO42 100 ALKALI CHLORIDE As Cl 050 WATER INSOLUBLE 02 010 MOISTURE 02 FE 0005 NA 0002 MGO 05
Cooking oil, frozen chicken , isopropyl alcohol 99, propylene glycol , mono ethylene glycol, hydrogen peroxide 35%, urea fertilizer, isopropyl alcohol 99%, sodium percarbonate, cashew nuts , tartaric acid , soy lecithin, sodium metabisulfite, sodium metabisulphite, sodium citrate, sodium bicarbonate, baking soda, sodium benzoate, maltodextrin , en590, glyceryl monostearate, vessel, liquid paraffin, mineral oil, cocoa, glycerine 99% , oil tanker vessel charter, , sodium lauryl sulfate, brazil refined sugar icumsa 45, cocamide diethanolamine, organic chemicals, inorganic chemicals, urea fertilizers, palm oil, copper cathode, jet a1, hyaluronic acid powder, ethyl acetate, oleic acid, stearic acid , fuel oil, phenol, copper sulphate, toluene, ethylene glycol, sunflower oil, methylene chloride, glycerine.We provide sourcing, trading and procurement services